[Elaborate Design] This wireless mouse is designed in the shape of a cute Hamster, full of more vitality and more creativity than ordinary mouse. Made of excellent material, light weight and long use time. [Mouse with Silent Function] Adopts a quiet design with small click sound, does not produce ticking noise, you can focus on working so that not bother surround person. [Design that feels good] This wireless mouse is smooth like oiled in the surface. And when you touch it, it is very smooth and you don't feel tired. [2.4GHz connection optical technology] Adopt 2.4GHz wireless technology, no need to download driver or setting, you can use it immediately by connecting USB to PC. Because it can communicate up to 10M, you can move freely without worrying about distance and position. In addition, the optical system improves tracking and achieves high reading performance. size: 10.5*7.3*4.1CM Note: Batteries are not included